package cn.ithers.springcloud.filter;

import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.http.HttpStatus;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.http.server.reactive.ServerHttpResponse;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

/**
 * @Author: zhanghuan
 * @date: 2020/11/24 11:47
 * @description:
 */
@Component
@Slf4j
public class MyLogGatewayFilter implements GlobalFilter, Ordered {

    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {

        log.info("  log.info(\"***********come in MyLogGateWayFilter:  \"+new Date());\n");
        ServerHttpRequest request = exchange.getRequest();
        String username = request.getQueryParams().getFirst("username");
        if (username == null) {
            log.info("*******用户名为null，非法用户，o(╥﹏╥)o");
            ServerHttpResponse response = exchange.getResponse();
            response.setStatusCode(HttpStatus.NOT_ACCEPTABLE);
            return response.setComplete();

        }
        return chain.filter(exchange);
    }

    @Override
    public int getOrder() {
        return 0;
    }
}
